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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
commit3562e78743202e43aec8727005182a2558117eca (patch)
tree8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /xorg-server/afb/afbpixmap.c
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Checked in the following released items:
xkeyboard-config-1.4.tar.gz ttf-bitstream-vera-1.10.tar.gz font-alias-1.0.1.tar.gz font-sun-misc-1.0.0.tar.gz font-sun-misc-1.0.0.tar.gz font-sony-misc-1.0.0.tar.gz font-schumacher-misc-1.0.0.tar.gz font-mutt-misc-1.0.0.tar.gz font-misc-misc-1.0.0.tar.gz font-misc-meltho-1.0.0.tar.gz font-micro-misc-1.0.0.tar.gz font-jis-misc-1.0.0.tar.gz font-isas-misc-1.0.0.tar.gz font-dec-misc-1.0.0.tar.gz font-daewoo-misc-1.0.0.tar.gz font-cursor-misc-1.0.0.tar.gz font-arabic-misc-1.0.0.tar.gz font-winitzki-cyrillic-1.0.0.tar.gz font-misc-cyrillic-1.0.0.tar.gz font-cronyx-cyrillic-1.0.0.tar.gz font-screen-cyrillic-1.0.1.tar.gz font-xfree86-type1-1.0.1.tar.gz font-adobe-utopia-type1-1.0.1.tar.gz font-ibm-type1-1.0.0.tar.gz font-bitstream-type1-1.0.0.tar.gz font-bitstream-speedo-1.0.0.tar.gz font-bh-ttf-1.0.0.tar.gz font-bh-type1-1.0.0.tar.gz font-bitstream-100dpi-1.0.0.tar.gz font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz font-bh-100dpi-1.0.0.tar.gz font-adobe-utopia-100dpi-1.0.1.tar.gz font-adobe-100dpi-1.0.0.tar.gz font-util-1.0.1.tar.gz font-bitstream-75dpi-1.0.0.tar.gz font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz font-adobe-utopia-75dpi-1.0.1.tar.gz font-bh-75dpi-1.0.0.tar.gz bdftopcf-1.0.1.tar.gz font-adobe-75dpi-1.0.0.tar.gz mkfontscale-1.0.6.tar.gz openssl-0.9.8k.tar.gz bigreqsproto-1.0.2.tar.gz xtrans-1.2.2.tar.gz resourceproto-1.0.2.tar.gz inputproto-1.4.4.tar.gz compositeproto-0.4.tar.gz damageproto-1.1.0.tar.gz zlib-1.2.3.tar.gz xkbcomp-1.0.5.tar.gz freetype-2.3.9.tar.gz pthreads-w32-2-8-0-release.tar.gz pixman-0.12.0.tar.gz kbproto-1.0.3.tar.gz evieext-1.0.2.tar.gz fixesproto-4.0.tar.gz recordproto-1.13.2.tar.gz randrproto-1.2.2.tar.gz scrnsaverproto-1.1.0.tar.gz renderproto-0.9.3.tar.gz xcmiscproto-1.1.2.tar.gz fontsproto-2.0.2.tar.gz xextproto-7.0.3.tar.gz xproto-7.0.14.tar.gz libXdmcp-1.0.2.tar.gz libxkbfile-1.0.5.tar.gz libfontenc-1.0.4.tar.gz libXfont-1.3.4.tar.gz libX11-1.1.5.tar.gz libXau-1.0.4.tar.gz libxcb-1.1.tar.gz xorg-server-1.5.3.tar.gz
Diffstat (limited to 'xorg-server/afb/afbpixmap.c')
-rw-r--r--xorg-server/afb/afbpixmap.c299
1 files changed, 299 insertions, 0 deletions
diff --git a/xorg-server/afb/afbpixmap.c b/xorg-server/afb/afbpixmap.c
new file mode 100644
index 000000000..ad591a1af
--- /dev/null
+++ b/xorg-server/afb/afbpixmap.c
@@ -0,0 +1,299 @@
+/***********************************************************
+
+Copyright (c) 1987 X Consortium
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of the X Consortium shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from the X Consortium.
+
+
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+
+/* pixmap management
+ written by drewry, september 1986
+
+ on a monchrome device, a pixmap is a bitmap.
+*/
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <string.h>
+
+#include <X11/Xmd.h>
+#include "scrnintstr.h"
+#include "pixmapstr.h"
+#include "maskbits.h"
+
+#include "afb.h"
+#include "mi.h"
+
+#include "servermd.h"
+#include "mfb.h"
+
+PixmapPtr
+afbCreatePixmap(pScreen, width, height, depth, usage_hint)
+ ScreenPtr pScreen;
+ int width;
+ int height;
+ int depth;
+ unsigned usage_hint;
+{
+ PixmapPtr pPixmap;
+ size_t datasize;
+ size_t paddedWidth;
+
+ paddedWidth = BitmapBytePad(width);
+
+ if (paddedWidth > 32767 || height > 32767 || depth > 4)
+ return NullPixmap;
+
+ datasize = height * paddedWidth * depth;
+ pPixmap = AllocatePixmap(pScreen, datasize);
+ if (!pPixmap)
+ return(NullPixmap);
+ pPixmap->drawable.type = DRAWABLE_PIXMAP;
+ pPixmap->drawable.class = 0;
+ pPixmap->drawable.pScreen = pScreen;
+ pPixmap->drawable.depth = depth;
+ pPixmap->drawable.bitsPerPixel = depth;
+ pPixmap->drawable.id = 0;
+ pPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
+ pPixmap->drawable.x = 0;
+ pPixmap->drawable.y = 0;
+ pPixmap->drawable.width = width;
+ pPixmap->drawable.height = height;
+ pPixmap->devKind = paddedWidth;
+ pPixmap->refcnt = 1;
+ pPixmap->devPrivate.ptr = datasize ?
+ (pointer)((char *)pPixmap + pScreen->totalPixmapSize) : NULL;
+ pPixmap->usage_hint = usage_hint;
+ return(pPixmap);
+}
+
+Bool
+afbDestroyPixmap(pPixmap)
+ PixmapPtr pPixmap;
+{
+ if(--pPixmap->refcnt)
+ return(TRUE);
+ dixFreePrivates(pPixmap->devPrivates);
+ xfree(pPixmap);
+ return(TRUE);
+}
+
+
+static PixmapPtr
+afbCopyPixmap(PixmapPtr pSrc)
+{
+ register PixmapPtr pDst;
+ int size;
+ ScreenPtr pScreen;
+
+ size = pSrc->drawable.height * pSrc->devKind * pSrc->drawable.depth;
+ pScreen = pSrc->drawable.pScreen;
+ pDst = (*pScreen->CreatePixmap)(pScreen,
+ pSrc->drawable.width,
+ pSrc->drawable.height,
+ pSrc->drawable.depth, 0);
+ if (!pDst)
+ return(NullPixmap);
+ memmove((char *)pDst->devPrivate.ptr, (char *)pSrc->devPrivate.ptr, size);
+ return(pDst);
+}
+
+
+/* replicates a pattern to be a full 32 bits wide.
+ relies on the fact that each scnaline is longword padded.
+ doesn't do anything if pixmap is not a factor of 32 wide.
+ changes width field of pixmap if successful, so that the fast
+ XRotatePixmap code gets used if we rotate the pixmap later.
+
+ calculate number of times to repeat
+ for each scanline of pattern
+ zero out area to be filled with replicate
+ left shift and or in original as many times as needed
+*/
+static void
+afbPadPixmap(PixmapPtr pPixmap)
+{
+ register int width = pPixmap->drawable.width;
+ register int h;
+ register PixelType mask;
+ register PixelType *p;
+ register PixelType bits; /* real pattern bits */
+ register int i;
+ int d;
+ int rep; /* repeat count for pattern */
+
+ if (width >= PPW)
+ return;
+
+ rep = PPW/width;
+ if (rep*width != PPW)
+ return;
+
+ mask = mfbGetendtab(width);
+
+ p = (PixelType *)(pPixmap->devPrivate.ptr);
+
+ for (d = 0; d < pPixmap->drawable.depth; d++) {
+ for (h = 0; h < pPixmap->drawable.height; h++) {
+ *p &= mask;
+ bits = *p;
+ for(i = 1; i < rep; i++) {
+ bits = SCRRIGHT(bits, width);
+ *p |= bits;
+ }
+ p++; /* @@@ NEXT PLANE @@@ */
+ }
+ }
+ pPixmap->drawable.width = PPW;
+}
+
+/* Rotates pixmap pPix by w pixels to the right on the screen. Assumes that
+ * words are PPW bits wide, and that the least significant bit appears on the
+ * left.
+ */
+void
+afbXRotatePixmap(pPix, rw)
+ PixmapPtr pPix;
+ register int rw;
+{
+ register PixelType *pw, *pwFinal;
+ register PixelType t;
+
+ if (pPix == NullPixmap)
+ return;
+
+ pw = (PixelType *)pPix->devPrivate.ptr;
+ rw %= (int)pPix->drawable.width;
+ if (rw < 0)
+ rw += (int)pPix->drawable.width;
+ if(pPix->drawable.width == PPW) {
+ pwFinal = pw + pPix->drawable.height * pPix->drawable.depth;
+ while(pw < pwFinal) {
+ t = *pw;
+ *pw++ = SCRRIGHT(t, rw) |
+ (SCRLEFT(t, (PPW-rw)) & mfbGetendtab(rw));
+ }
+ } else {
+ /* We no longer do this. Validate doesn't try to rotate odd-size
+ * tiles or stipples. afbUnnatural<tile/stipple>FS works directly off
+ * the unrotate tile/stipple in the GC
+ */
+ ErrorF("X internal error: trying to rotate odd-sized pixmap.\n");
+ }
+
+}
+
+/* Rotates pixmap pPix by h lines. Assumes that h is always less than
+ pPix->height
+ works on any width.
+ */
+void
+afbYRotatePixmap(pPix, rh)
+ register PixmapPtr pPix;
+ int rh;
+{
+ int nbyDown; /* bytes to move down to row 0; also offset of
+ row rh */
+ int nbyUp; /* bytes to move up to line rh; also
+ offset of first line moved down to 0 */
+ char *pbase;
+ char *ptmp;
+ int height;
+ int d;
+
+ if (pPix == NullPixmap)
+ return;
+ height = (int) pPix->drawable.height;
+ rh %= height;
+ if (rh < 0)
+ rh += height;
+
+ nbyDown = rh * pPix->devKind;
+ nbyUp = (pPix->devKind * height) - nbyDown;
+
+ if(!(ptmp = (char *)xalloc(nbyUp)))
+ return;
+
+ for (d = 0; d < pPix->drawable.depth; d++) {
+ pbase = (char *)pPix->devPrivate.ptr + pPix->devKind * height * d; /* @@@ NEXT PLANE @@@ */
+
+ memmove(ptmp, pbase, nbyUp); /* save the low rows */
+ memmove(pbase, pbase+nbyUp, nbyDown); /* slide the top rows down */
+ memmove(pbase+nbyDown, ptmp, nbyUp); /* move lower rows up to row rh */
+ }
+ xfree(ptmp);
+}
+
+void
+afbCopyRotatePixmap(psrcPix, ppdstPix, xrot, yrot)
+ register PixmapPtr psrcPix, *ppdstPix;
+ int xrot, yrot;
+{
+ register PixmapPtr pdstPix;
+
+ if ((pdstPix = *ppdstPix) &&
+ (pdstPix->devKind == psrcPix->devKind) &&
+ (pdstPix->drawable.height == psrcPix->drawable.height) &&
+ (pdstPix->drawable.depth == psrcPix->drawable.depth)) {
+ memmove((char *)pdstPix->devPrivate.ptr,
+ (char *)psrcPix->devPrivate.ptr,
+ psrcPix->drawable.height * psrcPix->devKind *
+ psrcPix->drawable.depth);
+ pdstPix->drawable.width = psrcPix->drawable.width;
+ pdstPix->drawable.serialNumber = NEXT_SERIAL_NUMBER;
+ } else {
+ if (pdstPix)
+ /* FIX XBUG 6168 */
+ (*pdstPix->drawable.pScreen->DestroyPixmap)(pdstPix);
+ *ppdstPix = pdstPix = afbCopyPixmap(psrcPix);
+ if (!pdstPix)
+ return;
+ }
+ afbPadPixmap(pdstPix);
+ if (xrot)
+ afbXRotatePixmap(pdstPix, xrot);
+ if (yrot)
+ afbYRotatePixmap(pdstPix, yrot);
+}